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from crowding too much upon the timbers. The present expense of mining is low. We have as the cost of taking out 90 tons daily Labor …24144.00 Timbering 90 tons @ 82c per ton 73.80 Superintendence 6.00 Supplies and incidental expenses 50.00 TOTAL $273.80 Cost per ton “.05 The expense of mining the 22,712 tons up to February 1st was, of course, somewhat higher, amounting to $4.46 per ton. This expense included surveying and application for patent, mail service, the initiatory expenses of the enterprise ; in short, all of the expenditures of the mine up to date. Of the 25,000 tons mined, about 5,500 tons have been sold to various parties, the remainder has been treated in Frisco by the Frisco Smelting Company, and in the company-owned works. This famous mine has in 55 years of operation produced 190,192 tons of lead, 17,104,544 ounces of silver, approximately 33,000 ounces of gold (the figures for the first 22 years are not available), 9,177,853 pounds of copper, and 19,148 tons of zinc. THE GRAMPIAN is a prospect in the dolomite on the hill above and beyond the Horn Silver. In March, 1880, it was sold to a Chicago company, the Grampian Silver Mining Company, and a considerable force of men has been prospecting since. A vein of ocherous ore assaying about $50 silver and some gold was found near the surface and followed down 80 feet, showing from one foot to eight feet of ore. The mine is developed by a tunnel and an incline hav-ing a windlass. The total cuttings amounted to 515 feet. Less than 200 tons have been shipped. COPPER-In the northern part of the San Francisco

from crowding too much upon the timbers. The present expense of mining is low. We have as the cost of taking out 90 tons daily Labor …24144.00 Timbering 90 tons @ 82c per ton 73.80 Superintendence 6.00 Supplies and incidental expenses 50.00 TOTAL $273.80 Cost per ton “.05 The expense of mining the 22,712 tons up to February 1st was, of course, somewhat higher, amounting to $4.46 per ton. This expense included surveying and application for patent, mail service, the initiatory expenses of the enterprise ; in short, all of the expenditures of the mine up to date. Of the 25,000 tons mined, about 5,500 tons have been sold to various parties, the remainder has been treated in Frisco by the Frisco Smelting Company, and in the company-owned works. This famous mine has in 55 years of operation produced 190,192 tons of lead, 17,104,544 ounces of silver, approximately 33,000 ounces of gold (the figures for the first 22 years are not available), 9,177,853 pounds of copper, and 19,148 tons of zinc. THE GRAMPIAN is a prospect in the dolomite on the hill above and beyond the Horn Silver. In March, 1880, it was sold to a Chicago company, the Grampian Silver Mining Company, and a considerable force of men has been prospecting since. A vein of ocherous ore assaying about $50 silver and some gold was found near the surface and followed down 80 feet, showing from one foot to eight feet of ore. The mine is developed by a tunnel and an incline hav-ing a windlass. The total cuttings amounted to 515 feet. Less than 200 tons have been shipped. COPPER-In the northern part of the San Francisco